Bifrenaria vitellina (Lindl.) Lindl. 1843 SECTION Stenocoryne Photo by Pieter C. Brouwer and his Nature Photo Website

Inflorescence Photo by Dalton Holland Baptista

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Common Name The Yolk-Yellow Bifrenaria

Flower Size 1" [2.5 cm]

This small sized, warm to cool growing epiphytic species is found in south central, coastal Brazil in montane rainforests at elevations of 600 to 1200 meters and has a sharply four sided, oval pseudobulb carrying a single, apical, leathery leaf that blooms in the summer on a basal, erect to arching, 4 to 8 " [10 to 20 cm] long, few to several [3 to 8] flowered inflorescence arising on a mature pseudobulb.

Cool to warm conditions, high humidity, moderate bright light, and ample water and fertilizer while growing and a lessening in the winter until the new growths arise in the spring.

Synonyms Adipe vitellina (Lindl.) M.Wolff 1990; Bifrenaria harrisoniae var. vitellina Stein 1892; Maxillaria barbata Knowles & Westc. 1841; *Maxillaria vitellina Lindl. 1838; Stenocoryne vitellina (Lindl.) Kraenzl. 1896

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Flora Brasilica Vol XII VII Hoehne 1953 as Stenocoryne vitellina drawing fide; AOS Bulletin Vol 27 No 5 1958 Drawing as Maxillaria vitellina; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchidaceae Brasilense Pabst & Dungs 1970; Encyclopedia of Cultivated Orchids Hawkes 1982 as Stenocoryne vittelina; Orchids of the High Mountain Atlantic Rainforest in SE Brazil Warren & Miller 1994 dawing/photo fide; Die Orchideen lieferung 29 Schlechter/Brieger 1994 drawing good; Icones Orchidacearum Brasilienses I Plate 019 Castro & Campacci 2000 drawing good; Coletanea de Orquideas Brasileiras 2 Encyclias Campacci 2003; Orchidees du Bresil, As Orquideas da Serra do Castelo Espirito Santo Brasil Vol 4 Chiron & Bolsanello 2014 drawing/photo fide;

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